<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>

		<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
	</head>
	<body>
		<div id="app">
			<!-- v-on:click 给按钮绑定事件处理 -->
			
			{{count}}<button v-on:click="increase">+</button>
		</div>
		
		<script>
			var app = Vue.createApp({
				data() {
					return {
						message: "Hello Vue!",
						count:1
					}
				},
				methods:{
					increase:function(){
						this.count++;
					}
				}
			});
			var vm = app.mount("#app")
		</script>

		练习: 添加一个按钮，减少数字


	</body>
</html>